        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            cursor: default
        }
        
        li {
            list-style: none;
        }
        
        a {
            text-decoration: none;
            &:visited {
                color: #333
            }
        }
        
        body {
            background-color: #f6f6f6;
        }
        
        .logo,
        .nav li {
            float: left;
        }
        
        .search,
        .user {
            float: right;
        }
        
        header {
            width: 100%;
            height: 60px;
            background-color: #fff;
            .header {
                width: 1260px;
                height: 60px;
                margin: 0 auto;
            }
            .logo a {
                display: inline-block;
                width: auto;
                height: 60px;
                font-size: 30px;
                line-height: 60px;
                color: skyblue;
            }
            .nav li {
                width: 115px;
                height: 60px;
                text-align: center;
                line-height: 60px;
                &:hover {
                    border-bottom: 2px solid #0084ff;
                }
                a {
                    display: inline-block;
                    width: 115px;
                    height: 60px;
                    color: #333;
                }
            }
            .search {
                position: relative;
                margin-right: 20px;
                width: auto;
                height: 60px;
                line-height: 60px;
                input {
                    width: 300px;
                    height: 40px;
                    padding: 0 10px;
                    border: 1px solid #ccc;
                    outline: none;
                    border-radius: 10px;
                }
                button {
                    position: absolute;
                    height: 40px;
                    right: 17px;
                    top: 10px;
                    border: 0;
                    background: transparent;
                    color: #dcdcdc;
                }
            }
            .login {
                width: 130px;
                height: 60px;
                text-align: center;
                line-height: 60px;
                color: #fff;
                background: #0084ff;
                font-size: 16px;
                border: 0;
                border-radius: 0 0 30px 30px;
            }
        }
        
        .center-content {
            position: relative;
            width: 1260px;
            margin: 0 auto;
            margin-top: 15px;
            #aside {
                position: absolute;
                right: 0;
                .swiper-container {
                    width: 290px;
                    height: 180px;
                    img {
                        width: 290px;
                        height: 180px;
                    }
                }
            }
        }